Drupal contrib commit msg hook

commit-msg

#!/usr/bin/php

# In .git/hooks/commit-msg
# Make sure to +x hook

# https://www.atlassian.com/git/tutorials/git-hooks
# See https://www.php.net/manual/en/function.exit.php
# https://www.php.net/manual/en/reserved.variables.argv.php
# https://www.php.net/manual/en/function.file-get-contents.php
# Regex: https://regex101.com/r/uQKPeu/1

<?php

$message_file = $argv[1];

$message = file_get_contents($message_file);

$matches = [];
$result = preg_match('/^(Issue\ \#[0-9]*)(?:\N*)?:/', $message, $matches);

if ($result === 0) {
  echo 'Commit message does not match pattern Issue #n '. PHP_EOL;
  var_dump([$result, $matches]);
  exit (1);
}
if ($result === false) {
  echo 'Commit message does not match pattern Issue #n '. PHP_EOL;
  var_dump([$result, $matches]);
  exit (1);
}

exit(0);